Kohala Lighthouse Surf Break

Lat Long: 20.27° N 155.84° W

Kohala Lighthouse Surf Forecast and Surf Report

Issued: 1 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kohala Lighthouse sea temperature is
27.2° C
0.6° 

Kohala Lighthouse surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Kohala Lighthouse surf forecast from 21 Aug 2026:

  • Most powerful swell: Sunday 23 Aug, 2PM (local time) - 7ft (2.2m), 8s period, ENE swell with 660 kJ wave energy.

Best Forecast Surf Conditions for Kohala Lighthouse this week:

The most powerful waves expected at Kohala Lighthouse in the next 16 days are 2.2m 8s and forecast to arrive on Sunday (Aug 23) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Friday (Aug 21) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2PM (Sun 23rd Aug)7ft (2.2m) 8s

Table - best surf conditions forecast for Kohala Lighthouse over the next 16 days.


The Lowdown

Alright, folks, it’s Rusty here. Let’s cut through it. Look, I’ve been staring at the charts for this stretch and honestly, the next couple of weeks are a write-off for proper surfing. We’re looking at a long, frustrating gap. The whole 16-day run is dominated by strong, persistent cross-shore winds, mostly out of the east and east-northeast, which will ruin any chance of clean surf. The only break on the map is Kohala Lighthouse (Hawaii, USA), an advanced reef setup that’s usually exposed to the north, but this swell we’re getting is coming from the east-northeast.

Right now, through the end of August and into the first days of September, it’s a brutal grind. We get some size—swell builds to 7 ft on Saturday the 22nd and Sunday the 23rd, even touching 7 ft to 7 ft with moderate wave energy around 300 to 650—but every single session is marked “poor surf conditions.” That cross-breeze is just tearing it up, making it lumpy and messy. A 13 ft swell is predicted to hit on Monday the 31st of August with a huge combined energy of 3540, but with onshore winds of 19 mph, that’s just a washing machine. It’s a write-off. If you're a kiter, maybe there’s some action, but for a paddle surfer, it’s a hard pass.

The only flicker of hope, and I mean a tiny one, arrives on Wednesday the 2nd of September. The morning shows the wind dropping to a light breeze from the east-northeast at just 6 mph, turning the wind to a light cross-shore. The swell sits at a solid 7 ft with a period of 9 seconds, and the energy is sitting at 714 (moderate). The forecast calls it “marginal” and only scores it a 2. That makes it the best of a bad bunch. It won't be perfect, but that's the one window for a chance at something rideable before the wind picks right back up to a fresh breeze by the afternoon and ruins it.

After that, it's back to the same old story right through to the 5th of September. There’s a little pulse in the long-range—on Friday the 4th we see a 7 ft swell from the east-northeast with a long 13-second period and strong energy of 1393 (moderate), but again the wind switches to cross. It’s a tease. A promising groundswell, but the wind and conditions won't let it shine.

Overall: This is a tough outlook. The entire 16-day run is a blank for clean, quality surf. We've got size on tap at times, but the wind just won't cooperate. The only half-chance is that Wednesday morning on September 2nd, when a light breeze might give us a few clean ones at Kohala Lighthouse. Otherwise, keep the board in the bag.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Sun night. Warm (max 27°C on Fri morning, min 25°C on Sat night). Winds increasing (light winds from the E on Fri morning, strong winds from the E by Sat night).

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Mon afternoon. Warm (max 27°C on Mon afternoon, min 24°C on Tue night). Mainly fresh winds.

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
ENE
7
1.8
ENE
6
1.6
ENE
7
2.2
ENE
6
2.2
ENE
6
1.8
E
8
2
E
9
2.1
E
6
1.7
E
8
1.7
E
8
1.9
E
6
1.8
E
8
1.8
ENE
8
1.7
ENE
8
1.3
ENE
7
1.5
ENE
7
1.5
ENE
7
1.3
ENE
7
0.7
E
17
0.9
E
15
1
E
14
Wave Graph
Metric surfscale
Energy kJ
149
255
212
363
374
428
621
344
383
383
288
407
395
310
181
225
225
186
265
377
407
Wind (km/h)
25
E
30
E
30
E
35
ENE
40
ENE
45
E
40
ENE
35
E
30
E
35
ENE
30
E
30
E
35
E
30
E
30
ENE
30
ENE
30
ENE
25
E
30
ENE
30
E
25
E
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
12:05PM0.70m
12:49PM0.75m
11:54PM0.34m
1:23PM0.79m
00:44AM0.37m
1:51PM0.83m
1:21AM0.42m
2:17PM0.85m
1:55AM0.47m
2:42PM0.86m
2:30AM0.52m
3:05PM0.85m
3:05AM0.57m
Low Tide
4:19AM0.21m
8:46PM0.30m
5:31AM0.17m
8:43PM0.28m
6:21AM0.14m
8:51PM0.26m
7:02AM0.11m
9:04PM0.24m
7:39AM0.09m
9:20PM0.22m
8:15AM0.10m
9:37PM0.19m
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
rain showers
part cloud
thunderstorm
thunderstorm
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:05
6:05
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:46
6:45
6:45
6:44
6:44
6:43
 mm
1
1
1
Temp °C
27
27
27
26
26
26
25
26
25
26
27
26
26
26
25
25
26
25
25
26
25
Feels °C
29
25
26
24
24
21
22
24
23
25
26
25
24
24
23
21
23
23
23
24
23
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Kohala Lighthouse Surf forecast

The above surf forecast table for Kohala Lighthouse provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kohala Lighthouse can be found by selecting the local surf guide option on the grey menu. Our Kohala Lighthouse surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kohala Lighthouse) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kohala Lighthouse may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kohala Lighthouse is 87 km (54 miles) from Kihei. If you plan a vacation in Big Island, look for hotels and other accommodation in Kihei. Kihei has rooms for a wide range of budgets as well as car hire and transport links.

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